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2 years ago

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The plant grows two centimeters each day. The model for plant growth "y" is given by: y = 2x + 5. What is the meaning of the y-i

ntercept in this equation?

1 answer:

Shalnov [3]2 years ago

5 0

Here, the Y intercept is 5. This means that the plant's height started at 5 units.

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Which expression below gives the average rate of change of the function g(x) = -x2 - 4x on the interval 6 ≤ x ≤ 8 ?

Paha777 [63]

Answer: -18

<u>Explanation:</u>

Average rate of change is slope: $\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$ . Need to find the y-coordinates:

g(x) = -x² - 4x

g(6) = -(6)² - 4(6)

= -36 - 24

= -60

⇒ (6, -60)

g(8) = -(8)² - 4(8)

= -64 - 32

= -96

⇒ (8, -96)

m = $\frac{-96 - (-60)}{8 - 6}$

= $\frac{-36}{2}$

= -18

7 0

3 years ago

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Given that f(x) = x2 – 13x + 36 and g(x) = x – 9, find (f + g)(x) and express the result in standard form.

olga nikolaevna [1]

Answer:

x² - 12x + 27

Step-by-step explanation:

(f + g)(x)

= f(x) + g(x)

= x² - 13x + 36 + x - 9 ← collect like terms

= x² - 12x + 27 ← in standard form

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2 years ago

Given: SP = PT = ST = 2.6<br><br> MO⊥ (SPT) <br> m∠MPO = 70º<br> Find: Volume

ohaa [14]

Answer:

Step-by-step explanation:

Volume = 1/3(area of triangular base)height

To find the triangular base we would use heron formula Area = square root (s-a)(s-b)(s-c)

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Morgarella [4.7K]

A + B + C = 180
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But wheres the table lolololololo

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